Car roof



Nov. 22, 1932. c. D. BoNsALL GAR Roo? Filed Feb. 27

l ...IFI

; emerse mm pmfsirre, qr' rimes @marinara ssaa'mbfl manija; c Y PHY COMPANY, orv KENsNGToN, PENNSYLVANIA, a ooRPoBATIo-N or* :PENN`l 1 Patented Nov. '22,

i Cria Rjpf The principal object of the present Vinvendt'ion is to-` provide a `roof` of the' abovetypev Withf-membersf'Whichserve tvo-increase the compression strength of the roof and .which also constitute' means' for seburngs annsulatiglining' to the underside of the" roof. Otherobjects are simplicit and cbeapness of constructie-11,.,efas`e oassein lyandfevvness'of par-tsi Thef invention consists rr increasingV the. compressive strengthfofthe" hollow roof ribs by meansrof` WoodenA membersthata-re locatedI inrsaid ribs andY serve as nailing strips for-aninsulat-rng lining-- It also "consists` in thev parts and in the combinations and ar# rangements ot parts hereinafter described yand claimeda z Y, a Figlis a plan viewfofV a-portion of an ini sulatng car roofembodyingfmy inventions F-igg 2l isI a Vert-ical transverse section on tliel inef2-2'inll`ig. 1 A

Fig-f, 3l is; a vertical longitudinal section Figs` 4 Vand 5i: arefviewsf to showin-g modifiedconstructions., w

s In theipresentroof construction; the-metalV roof sheets l extend from side plate` 2 to Lside plate Qof Vtbe car; Witlrtlieir.` ends turned down, as-at-B, and-riveted or otherwise ri`g= idly secured to such side plates by'rivets vC onformab'l-y` tothe sin-called neutral axis type of roel",1 fther roofL sheets I 'are' shaped; .arranged and rigidly secured together 'toformfa rooconsisti'ngofaltrnatinga't-topped ribs Af and 'flat-b-ttomed ychannels Al?) 'ftlia-t extend from' side *platev f tofl side plate ofthpar; Wherebjtliefrooff"asf 1 a- Whole. fu-notions mechanic-allyas beam-supported on Vsaid side platea; The hollowv ribs 'Afr the'rchannels Bf: are preferably of snbstarrtiallyeqnal cross-1 sectionall area',l fwhereby'; tlie neutral' i axsfofj the froofs fsubst antialfly. nndivaylbetween' the' tops: of said ribsandf tbefbottoms osaid channels, Said ribs aereas-mgm height fram a maximum of; theridge to points at or near the eaves Where they' merge into"l the l.plane of the'bottornsof theclianiielsl Asjshowninthe 1s proyided along eaclr sdeedge `with ani up# standing scam lange 5' and liasits' longituing one of the hollow'roo ribs', sclrm'iddle portion andfthesdeaportioisbeingntegrally connected throughout. their lengthby webY members 6 that form the' tvvoj's'iders of said rlb'a'ndone sideo-tlie cll'annelsBon opposite `din'almiddle'portion offset iipwardlyvvithfre# spe'ct to the sid'e portions thereof, thiisform- *60 side byside cros'sivis'e: of the-ear with `their depending eaves flanges v3 riveted toysfide plates 2y and: with seamca'p's'7 straddlng the iipstanding' se-arlif flanges 5?- of adjacent? roof sheets' and rigidly securedther'etoby rows of rivets Sloca'ted preferably' alongftbeneut'ral vided* With. outstanding base" flanges I 9 that rest' on the body portions of? adjacent; roof sheets; By 'this' arrangement, t'lie'raisedmi'dl dle portionSffofE the rooflsheetsjlormthetops of adjacent roof" 'sheetsv fbrin' the'bott'omsi of i that connect 'said Amiddle portions vvithsaid side portions form 'the' sides? oflbotlr the ribs and channels; n adjacent-seamflanges 2 'aii'd the seam'i caps f71 therefor' cooperate to" form Y rigidfiipstanding 'seams tha-tare located along the middle of the'clrannel's; Y l. Y

Located Within each vholl 0"\7vr'0`of :1 b;A- isf a renfo'rcin'gV member' 10, preferably 1n the form of"- a Wooden""strip,"thatV extends `from side' plate to iside plate midvvayfbetween the 'sides o'sadribgsu'ch renforcingmemberfbe;

ingI located Wholly within 'Sara rib with lits' bottom surfacefliish with {tlre' v nnd'erjsdesff'o'f the'roof channels Boi-i opposite sides oli-said 'ribv- YThe Wooden reinforcing member 1021s secured to the hollow rooffribAfby "xnelansl of brackets located preferably adjacent to and intermediate between` theridgef'and jeaves"` ofl the-'car'. .As sh'o'vvniniflllg; feaicli' bracket fr'seclirin'g tlie Wooden reinforcing member l0 to thehollowfroofjribfAcomprsetvor arr-5 f 'ravvingfeachrofslleetl 'i A* sides thereof.L The roof sheetsl are'arranged Q5 'ilo `side. of the top portion of saidrib and with Y. theA 'other -flange down. The depending flanges of the twoangles l1 are'spaced far enough apart to receive the `y'vo'ode'n rein-forcing member l1 therebetween; andthe wooden reinforcing memberjis removably secured be- Y ltween saidilangesby means ofaV horizontal i bolt l2'. v i 1:,7.

In themodifi'ed construction vshown. in Fig.

forcing member isshown in the form of an in i an insulating lining to the underside of the verted channel 11a, whose web portion is se# f cured latwise to the underside of the hollow roof'rib A by means of rivets. Vrlhisinverted channel-'shaped ,bracket straddles the; reinfforcingmeinber 11, which is Secured to lsaid bracket by Va bolt 12a that extends'horizontalfV 'i ly throughsaid reinforcing member andthe depending sideflangesof saidbracket. -v VIn"the,construction shown in'vFigl, the supporting bracketv for the rib reinforcing member l1 isshown inthe form of a Z'fsllaped s member llbtliat has one of itsanges riveted orfotherwise rigidly secured tothe undersurface of thehollowz roofribf, The other flange of the Z-shaped bracketllb projects-beneath i the wooden reinforcing member 11;*anpd abolt lZZJgpa'sses' horizontally through said rein,-

forfcin'gfmemberj and theweb portion ofsaidy bracket.- g i e f y A v e The i-wooden reinforcingfstripsl vl1 ,not only]v greatly strengthen and increase the roof J against compression and ybuckling stresses,

but they also serve as nailing strips to'attach roof. Asshown in the drawing, the insulating lining 'preferably comprises 'tongue-and# groove vboards '13Y that extend Q longitudinally Vof the roof. preferably infcontact withthe undersides of vthe v,Channels and are' nailed orl otherwise secured latwise to the bottoms of the wooden-reinforcing strips ljl fortheholg lowroof ribs Af.; i

Bythey arrangement described, thel wooden i [reinforcing members serve ltoreinforce and'.

' stiften the middle portions of the hollow roof ribsfA againstAV compressionzf and .bucklingv stresses, whereby the strengthof thereof is greatly laugmented when considered `as a beam. These wooden reinforcing -membersalsoserveas nail-ing strips for the insulating lining, which canbeused without greatly decreasing,theheadroom'in the car; and the brackets permitgthe combined nailing andV refV inforcing strips to be .quickly and easily attachedrto and removed from the lhollow roof when-Cinais) i o Y 11;,A 'car roof comprising hollow ribs alf ternating with channels, saidV :ribsand chan-v nels being-of substantially-:equal widths,

whereby ,the neutral 4axis of thereof 'is' "sub- 'rstant-ially "midway between: the tops of said sides thereof, and means for removably securing said wooden strips to said ribs;

f2. A Ycar I'r'oof comprising hollow flat- `l topped Vribs alternating ywith flat-bottomed channels, saidribs and channels being of substantiallyv equal widths, wooden reinforcf ing members located within said ribs;near the lmiddle thereof, and means forlrenivably 4,'tlie supporting bracket for the wooden reinsecuring said wooden strips to theiindersides ofsaidribs. f

stantially midway between Vthe ,tops of'fsaid ribs and the bottoms of said channels, wooden reinforcing memberslocated 'withinl said Y ribs substantiallymidway between the sides vthereof,fmeans for removably securing said wooden reinforcing members' tosaid ribs,

and an linsulating lining located beneath said ribs andthe bottoms of'saidlchannels, wooden reinforcing members locatedvwthin said ribs 'substantially midway betweenthe sides thereof, with theirl bottom surfacesfsubstantially Hush with` the '.undersides of said channels,l means fori removably securing said wooden strips'to said ribs, and an insulating lining locatedgbeneath said roof andsecured to said reinforcing members. j Y 5. AJc'ar rooflcomprising-1*hollowv ribs -al-l .ternating vwith vcliannels, said ribsjand channels-being ofV substantially equal? widths, i

wherebythe neutral AaXisof the roof-isV subfstantiallyinidway between theftops of said ribs and lthe bottoms olf-said channels, wooden reinforcing members: located within saidv ribs e substantially `midway between` the sides thereof, andjmeans vfer removablysecuring t said woodenreinforcing members to vsaid s .Y

ribs, Vsaid vmeans comprising bracket members rigidly 'secured tojthe underside's ofY said ribs and bolts-forfremovably securing said wooden reinforcing members to `said brackets. H

6. A car roof'comprisinghollowvribs'fall ternating with channels,- said ribs and chan- .nels `being of :substantially equal widths, whereby` the :neutral axis ofthe roof 'is sube stantially Vmidway betweenfthe tops of-fsaid ribs Vandthe bottomsof'said channels, l wooden: reinforcing memberslocated withinsaid )ribs 'substantially'1` midway between fthe sides i thereof,means for Vremovably, y'securing said Vwooden reinforcing,members to' fsaid ribs,

A O Vroof and secured'to.-saidrreinforcing'mem- 29 i lsaid means comprising bracket members Vrigidly secured to the undersides of said ribs and bolts for removably securing'said woodv en reinforcing members to said brackets, and an insulating lining located beneath said roof lland secured to said wooden reinforcing memers.

7. A car roof'comprising hollow ribs alternating with channels, said ribs and channels being of lsubstantially equal widths, i

whereby the neutral axis of the roof is suby' stantially midway between the tops of said ribs and the bottoms of said channels, .reinforcing members located within said ribs substantially midway between the sides thereof, and means for removably securing saidY reinforcing members flatwiserto the undersides of said ribs with their undersides substantially flush With the undersides of said channels, said means comprising bracket members rigidly secured to the tops of said Vribs and bolts for removably securing said reinforcing members to saidbrackets.

8. A `car roof, comprising hollow ribs alternating with channels, saidribs and channels being of substantially equal widths, whereby the 'neutral axis of the roof is substantially midway betweent-he tops of said ribs and the bottoms-of said channels, and wooden reinforcing members located within thereof, AZw-sliaped bracket members located withinsaid ribsV with` one flange' secured to" the undersides Vthereof `and with the other Y f flange extending beneath said reinforcing members, and bolts passing through said reinforcing members and bracket members.

' Signed -at New Kensington, this 23rd day of February, 1932. CHARLES DAVID BONSAL'L'..

said ribs substantially midway between the sides thereof, and `means`for removably securing said woodenl reinforcing members to said ribs, said means comprising brackets rigidly secured to the tops of said ribs and bolts for removably securing said reinforcing members to said brackets, said bracket members comprising angle-shaped members having' one flange secured to a roof rib andthe other flange located alongside of one side of the reinforcing member thereon and, p ro- A vided with an opening for said bolt.

Vinforcing members, `and bolts niet l0. A car roof comprising hollow ribs al-V l ternating with channels, said ribs and channels being of substantially `equal widths whereby the neutral axis ofthe roof is substantially midway between the tops of said ribs and the bottoms of said channels', wooden reinforcing members located within said ribs substantially midway between the sides `the webs of saidl y Pennsylvania, p Y 

